Influence of static electric field, mechanical pressure and temperature on the propagation of acoustic waves in La/sub 3/Ga/sub 5/SiO/sub 14/ piezoelectric single crystals

On the fundamental of our original experimental results the full set of tensorial components of linear and nonlinear electromechanical properties and temperature coefficients of material properties for La/sub 3/Ga/sub 5/SiO/sub 14/ piezoelectric crystals have been obtained. These data were used for the analysis of influence of static electrical field and of uniaxial homogeneous mechanical pressure on the propagation anisotropy of acoustic waves superposed by the temperature variations.